Michelle Opsahl, M.D.
Family Medicine Physician · Loma Linda, CA
Michelle Opsahl, M.D. is a family medicine physician with a practice address in Loma Linda, California, and NPI 1083728729, issued on Aug 19, 2006. Check the license (California A63908, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle Opsahl
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A63908 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25455 Barton RD, Loma Linda, CA 92354
- Phone
- (909) 558-6600
- Enumerated
- Aug 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00A639080 CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 25455 Barton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zachary Cash, P.A.Physician Assistant1275717316
- Jian Chen, M.D.Family Medicine Physician1841633617
Verify Michelle Opsahl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family medicine physician in 2024
1,487 Medicare Part D claims for 67 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Amlodipine Besylate85 claims
- Losartan Potassium81 claims
- Atorvastatin Calcium73 claims
- Fluticasone Propionate73 claims
- Metformin Hcl72 claims
- Levothyroxine Sodium69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Michelle Opsahl among 17,133 family medicine physician records in California
Michelle Opsahl, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 family medicine physician records list a practice address in Loma Linda
They are 62 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Loma Linda → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Linda Deppe, D.O.Loma Linda, CA 923541568493864
- Joan Haynes-Lee, M.D.Loma Linda, CA 923541578590097
- William Jih, M.D.Loma Linda, CA 923541417985581
- Reewa Kejriwal, N.P.Loma Linda, CA 923541376573188
- Richard Kim, M.D.Loma Linda, CA 923541912014341
- Laurie McNaughton, M.D.Loma Linda, CA 923541205947587
- Barbara Orr, M.D.Loma Linda, CA 923541033223771
- Niren Raval, DOLoma Linda, CA 923541093722852
Common questions
What is Michelle Opsahl, M.D.'s NPI number?
Michelle Opsahl, M.D.'s National Provider Identifier (NPI) is 1083728729, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Opsahl, M.D. located?
The NPPES record lists a practice address at 25455 Barton RD, Loma Linda, CA, 92354. Phone: (909) 558-6600. Providers update this record themselves, so call before visiting.
How can I verify Michelle Opsahl, M.D.'s license?
NPPES lists California license number A63908, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michelle Opsahl, M.D. prescribe under Medicare Part D?
In 2024, Michelle Opsahl, M.D. had 1,487 Medicare Part D claims for 67 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.